List of insiders holdings for Disc Medicine Inc.:
- Shares directly owned by the insider.
- Shares indirectly owned by the insider.
- Total shares owned by the insider (sum of shares directly and indirectly owned).
- Total market value if available.
- Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
What is insider trading>>
- Peter Lynch
What is insider trading>>
| # | Insider Holder Name | Report Date Time | Shares Owned Directly Indirectly | Total Shares Owned | Filing |
| 1 | Leonard Braden Michael 10% Owner | 2022-10-27 16:23:13 | 247,500 5,000,000 | 5,247,500 | Form 4 |
| 2 | Tananbaum James B. Director 10% Owner | 2021-10-06 16:15:57 | 17,245 4,840,250 | 4,857,495 | Form 4 |
| 3 | George Jean Director 10% Owner | 2021-02-16 17:23:18 | 0 4,836,106 | 4,836,106 | Form 3 |
| 4 | AI DMI LLC Access Industries Holdings LLC ACCESS INDUSTRIES MANAGEMENT LLC Blavatnik Len 10% Owner | 2025-03-03 16:01:03 | 3,762,507 0 | 3,762,507 | Form 13D |
| 5 | Novo Holdings A/S 10% Owner | 2023-06-28 17:22:55 | 1,090,772 0 | 1,090,772 | Form 13G |
| 6 | Atlas Venture Fund X L.P. ATLAS VENTURE ASSOCIATES X L.P. Atlas Venture Associates X LLC Atlas Venture Opportunity Fund I L.P. Atlas Venture Associates Opportunity I L.P. Atlas Venture Associates Opportunity I LLC Atlas Venture Opportunity Fund II L.P. Atlas Venture Associates Opportunity II LP Atlas Venture Associates Opportunity II LLC 10% Owner | 2025-08-15 19:16:36 | 1,084,527 0 | 1,084,527 | Form 13D |
| 7 | Atlas Venture Fund X L.P. ATLAS VENTURE ASSOCIATES X L.P. Atlas Venture Associates X LLC Atlas Venture Opportunity Fund I L.P. Atlas Venture Associates Opportunity I L.P. Atlas Venture Associates Opportunity I LLC Atlas Venture Fund XII L.P. Atlas Venture Associates XII L.P. Atlas Venture Associates XII LLC 10% Owner | 2025-08-15 19:16:36 | 1,084,527 0 | 1,084,527 | Form 13D |
| 8 | Bitterman Kevin Director | 2025-08-26 18:01:57 | 0 1,062,170 | 1,062,170 | Form 4 |
| 9 | FS Development Holdings LLC Foresite Capital Fund V L.P. Foresite Capital Management V LLC Foresite Capital Opportunity Fund V L.P. Foresite Capital Opportunity Management V LLC Director by Deputization Director 10% Owner | 2023-01-04 17:43:13 | 487,025 0 | 487,025 | Form 13D |
| 10 | LSV Associates LLC Lightstone Ventures L.P. Lightstone Ventures (A) L.P. Lightstone Singapore L.P. Lightstone Singapore Associates LLC Carusi Michael A Plain Henry A JR 10% Owner | 2023-02-14 16:37:40 | 483,609 0 | 483,609 | Form 13D |
| 11 | Quisel John D Chief Executive Officer | 2025-09-11 18:00:09 | 370,248 0 | 370,248 | Form 4 |
| 12 | Uknis Marc Chief Medical Officer | 2021-04-07 16:06:30 | 277,117 0 | 277,117 | Form 4 |
| 13 | Barone Samuel B. Chief Medical Officer | 2021-04-14 16:03:03 | 255,212 0 | 255,212 | Form 4 |
| 14 | Lauder Scott Chief Technology Officer | 2021-04-07 16:02:16 | 243,996 0 | 243,996 | Form 4 |
| 15 | ORBIMED ADVISORS LLC OrbiMed Capital GP VI LLC OrbiMed Capital GP VIII LLC OrbiMed Genesis GP LLC Director | 2025-03-26 19:00:01 | 0 186,541 | 186,541 | Form 4 |
| 16 | Meyenburg Jason Patrick Chief Executive Officer | 2022-01-05 16:08:07 | 123,600 0 | 123,600 | Form 4 |
| 17 | Savage William Jacob Chief Medical Officer | 2025-07-01 16:50:45 | 98,017 0 | 98,017 | Form 4 |
| 18 | Redmond Precillia Chief People Officer | 2021-04-07 16:04:53 | 77,450 0 | 77,450 | Form 4 |
| 19 | Stephenson Pamela Chief Commercial Officer | 2025-02-20 19:38:55 | 69,529 0 | 69,529 | Form 4 |
| 20 | BELOFF GREGG Chief Financial Officer | 2021-02-10 17:23:21 | 66,203 0 | 66,203 | Form 3 |
| 21 | Franchi Jean M. Chief Financial Officer | 2025-07-18 16:51:40 | 63,499 0 | 63,499 | Form 4 |
| 22 | Bryce Joanne Chief Financial Officer | 2024-03-01 19:49:14 | 50,915 0 | 50,915 | Form 4 |
| 23 | Yu Jonathan Yen-Wen Chief Operating Officer | 2025-02-20 19:31:37 | 40,555 0 | 40,555 | Form 4 |
| 24 | Khara Rahul Chief Legal Officer | 2025-02-20 19:36:57 | 37,583 0 | 37,583 | Form 4 |
| 25 | Dubin Daniel Director | 2020-08-11 21:35:54 | 30,000 0 | 30,000 | Form 3 |
| 26 | Carey Robert Director | 2020-08-11 21:35:15 | 30,000 0 | 30,000 | Form 3 |
| 27 | PAKIANATHAN DEEPIKA Director | 2020-08-11 21:36:24 | 30,000 0 | 30,000 | Form 3 |
| 28 | AHMED NADIM Director | 2025-07-16 17:56:09 | 20,000 0 | 20,000 | Form 4 |
| 29 | Piekos Brian CFO | 2022-06-02 19:14:01 | 17,615 0 | 17,615 | Form 4 |
| 30 | Lubner David Charles Director | 2022-03-09 18:15:52 | 17,529 0 | 17,529 | Form 4/A |
| 31 | Rhodes Jason P Director 10% Owner | 2021-10-06 16:15:39 | 17,245 0 | 17,245 | Form 4 |
| 32 | GORDON CARL L Director 10% Owner | 2021-10-06 16:15:32 | 17,245 0 | 17,245 | Form 4 |
| 33 | MacDonald Brian Richard Chief Innovation Officer | 2023-06-30 18:29:14 | 12,276 3,288 | 15,564 | Form 4 |
| 34 | Ong Tuyen Director | 2022-03-09 18:14:33 | 15,528 0 | 15,528 | Form 4/A |
| 35 | Ashiya Mona Director | 2025-06-13 17:10:06 | 10,000 0 | 10,000 | Form 4 |
| 36 | Chin Mark Director | 2025-06-13 17:18:49 | 10,000 0 | 10,000 | Form 4 |
| 37 | GEMAYEL GEORGES Director | 2025-06-13 17:23:39 | 10,000 0 | 10,000 | Form 4 |
| 38 | Nicholson Donald William Director | 2025-06-13 17:25:45 | 10,000 0 | 10,000 | Form 4 |
| 39 | Ratcliffe Liam Director | 2025-06-13 17:29:57 | 10,000 0 | 10,000 | Form 4 |
| 40 | White William Richard Director | 2025-06-13 17:32:13 | 10,000 0 | 10,000 | Form 4 |
| 41 | Strapps Walter Chief Scientific Officer | 2021-05-03 16:02:18 | 9,000 0 | 9,000 | Form 4 |
| 42 | Backstrom Jay T. Director | 2023-01-03 17:05:23 | 7,000 0 | 7,000 | Form 4 |
| 43 | Bajaj Vikram Director | 2020-08-11 21:39:58 | 0 0 | 0 | Form 3 |
| 44 | Rome Michael E Vice President | 2020-08-11 21:39:26 | 0 0 | 0 | Form 3 |
| 45 | Ryan Dennis D Chief Financial Officer | 2020-08-11 21:36:58 | 0 0 | 0 | Form 3 |